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lyudmila [28]
3 years ago
8

You are making raised beds for a productive vegetable garden and have 4 boxes that are 1m x 2m x 1m deep. What volume of dirt (i

n cubic meters) will you need? How many cubic feet is that?
Physics
1 answer:
Nady [450]3 years ago
5 0

Answer:

8 m³

282.3 ft³

Explanation:

The volume of each box is width times length times depth:

V = (1 m) (2 m) (1 m)

V = 2 m³

There are four boxes, so the total volume is:

4V = 8 m³

Converting to cubic feet:

8 m³ × (3.28 ft / m)³

= 282.3 ft³

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If the size of the charge value is tripled for both of twopoint charges maintained at a constant separation, the mutual forcebet
ch4aika [34]

Answer:

a) 9.0

Explanation:

The force between two point charges, obeys Coulomb's Law, which can be written as follows:

F =\frac{k*q1*q2}{(r12)^{2} }

As it  can be seen, if the separation between the charges remains the same, the new value of the force will be directly proportional to the product of the charges.

If both charges are tripled, the mutual force between them will be changed in a factor equal to 3.0*3.0 = 9.0

8 0
3 years ago
A marble rolls off a tabletop 1.15 m high and hits the floor at a point 4 m away from the tables edge in the
GREYUIT [131]

A marble rolls off a tabletop 1.15 m high and hits the floor at a point 4 m away from the edge of the table in the horizontal direction,

  • t= 0.45 seconds.
  • V=2.22m/s
  • VT=4.95 m/s

This is further explained below.

<h3>What is its speed when it hits the floor...?</h3>

Generally, the equation for motion is mathematically given as

S= ut + 0.5at²

Therefore

y = Voy t + 0.5gt^2

1 = 0.5x 98 x 6²

1=4.9t^2

t=\sqrt{0.2041 }

t= 0.45 seconds.

b) Horizontal motions are uniform.

V=Horizontal displacement/time

V=1/0.45

V=2.22m/s

C)

Vx: 2.22 m/s At bottom,

Vy² = Voy² + 2as

Vy² = 2x95x1

Vy² = 19.6

Total velocity

VT=\sqrt{( 2.22 m/)^2+19.6}

VT=4.95 m/s

Read more about  Arithmetic

brainly.com/question/22568180

#SPJ1

4 0
2 years ago
ball dropped from top of 50m high cliff stone thrown straight up from bottom with speed of 24. they collide. how far above base
Tresset [83]

Answer:

28.73 m from the base of the cliff collide happen

Explanation:

Equation for ball dropped from 50 cliff is reaches distance x in t seconds isi given by

x=ut+\frac{1}{2} at^2\\\\x= 0 \times t+\frac{1}{2} gt^2 =\frac{1}{2} gt^2......(1)

stone is thrown up from the bottom with speed u=24 m/s . it reaches distance y when stone collide with ball.(g is negative here)

y=24t-\frac{1}{2} gt^2.............(2)

we know that total distance traveled by ball and stone is 50 m

x+y=50 m

adding equation 1 and 2, we get time t

x+y=\frac{1}{2} gt^2+24t-\frac{1}{2}gt^2\\50=24t\\t=2.083 s

substitute this time in equation 2, we can get the required distance where they collide

y=24t-\frac{1}{2} gt^2\\y=24\times 2.083-\frac{1}{2}\times  9.8\times 2.083^2\\y=28.73 m

28.73 m from the base of the cliff collide happen

7 0
3 years ago
Which exerts more force, the Earth pulling on the moon or the moon pulling on the Earth? Explain.​
prohojiy [21]

Answer: the earth

Explanation: Earth exerts a gravitational pull on the moon 80 times stronger than the moon's pull on the Earth. Over a very long time, the moon's rotations created fiction with the Earth's tugging back, until the moon's orbit and rotational locked with Earth.

and that's why the earth pulls the moon

6 0
3 years ago
You must make an aqueous solution that will be a good conductor of electricity. You can pick two substances to add to the water.
mr_godi [17]

Answer: The answer is hydrochloric acid

And Salt

Explanation:

4 0
3 years ago
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